Home / 405,235.51-607,853.26-155,859.19

Finding the Fourth Proportional to 405,235.51, 607,853.26 and 155,859.19

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Solution

The fourth proportional to 405,235.51, 607,853.26 and 155,859.19 is: 233,788.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,235.51 : 607,853.26 = 155,859.19 : x
  2. Step 2: Convert to fraction form
    405,235.51/607,853.26 = 155,859.19/x
  3. Step 3: Cross multiply
    405,235.51x = 607,853.26 × 155,859.19
  4. Step 4: Simplify right side
    405,235.51x = 94,739,515,417.65
  5. Step 5: Solve for x
    x = 94,739,515,417.65/405,235.51
  6. Step 6: Final answer
    x = 233,788.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.